Update app.py

app.py

@@ -68,8 +68,12 @@ def generate(
                 pipe = DiffusionPipeline.from_pretrained(model, vae=vae, torch_dtype=torch.float16)
             
         if use_img2img:
-            pipe = AutoPipelineForImage2Image.from_pretrained(model, vae=vae, torch_dtype=torch.float16)
-            
+            pipe = AutoPipelineForImage2Image.from_pretrained(model, torch_dtype=torch.float16)
+
+                if use_vae:  
+                vae = AutoencoderKL.from_pretrained(vaecall, torch_dtype=torch.float16)
+                pipe = AutoPipelineForImage2Image.from_pretrained(model, vae=vae, torch_dtype=torch.float16)
+                    
             response = requests.get(url)
             init_image = Image.open(BytesIO(response.content)).convert("RGB")
             init_image = init_image.resize((width, height))